Experimental Evidence for Algebraic Double-Layer Forces
Soft Condensed Matter
2020-01-01 v2
Abstract
According to conventional wisdom electric double-layer forces normally decay exponentially with separation distance. Here we present experimental evidence of algebraically decaying double-layer interactions. We show that algebraic interactions arise in both strongly overlapping as well as counterion-only regimes, albeit the evidence is less clear for the former regime. In both of these cases the disjoining pressure profile assumes an inverse square distance dependence. At small separation distances another algebraic regime is recovered. In this regime the pressure decays as the inverse of separation distance.
Cite
@article{arxiv.1910.00465,
title = {Experimental Evidence for Algebraic Double-Layer Forces},
author = {Biljana Stojimirovic and Mark Vis and Remco Tuinier and Albert P. Philipse and Gregor Trefalt},
journal= {arXiv preprint arXiv:1910.00465},
year = {2020}
}